Bounteous x Accolite Consultant Interview Questions and Answers

Q1. 1 . Oops concept in detail 2 DBMS 3. Data base query
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Q1. Document verification
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Profit and losses, time

C language

Q1. On programming questions
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Q2. On our Engineering project
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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What is the coding ?

Q1. Why are you looking for a change?
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Awesome

Good

Q1. What is constructor?
Ans. 
Constructor is a special method that is used to initialize objects in Java.
• Constructor has the same name as the class name

• It does not have a return type

• It can be overloaded

• It is called automatically when an object is created

• Example: public class Car { public Car() { // constructor code here } }
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Q1. What is your family background?
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Q2. Share details of your previous job.
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Q3. Why should we hire you?
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Q4. Where do you see yourself in 5 years?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q1. He asked what are skillset?
Ans. I told about the skills I have like SpringBoot, Java ,and Kafka
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Q1. What is the difference between Hashmap and Hashtable?
Ans. 
Hashtable is synchronized and does not allow null keys or values, while HashMap is not synchronized and allows null keys and values.
• Hashtable is thread-safe, while HashMap is not.

• Hashtable does not allow null keys or values, while HashMap allows null keys and values.

• Hashtable is slower than HashMap due to synchronization.

• Hashtable is a legacy class, while HashMap is part of the Java Collections Framework.

• Hashtable is r...read more
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Q2. How ArrayList works internally?
Ans. 
ArrayList is a dynamic array that can grow or shrink in size.
• ArrayList internally uses an array to store elements.

• It can dynamically increase or decrease its size as elements are added or removed.

• It allows random access to elements using an index.

• Insertion and deletion operations are slower than accessing elements.

• It can store null and duplicate elements.

• Example: ArrayList list = new ArrayList<>();

• list.add("apple"); li
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Q3. What is the use of private variables even though they are accessible via getters and setters from some other class?
Ans. 
Private variables provide encapsulation and data hiding.
• Private variables can only be accessed within the class they are declared in, providing encapsulation and preventing direct modification from outside the class.

• Getters and setters provide controlled access to private variables, allowing for validation and manipulation of the data before it is accessed or modified.

• For example, a class may have a private variable fo...read more
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Q4. Where I implemented Executor service in my project?
Ans. 
Implemented Executor service in the backend for parallel processing.
• Implemented ExecutorService in the backend to handle multiple requests concurrently.

• Used ExecutorService to execute multiple tasks in parallel.

• Implemented ExecutorService to improve the performance of the application.

• Used ExecutorService to manage thread pools and execute tasks asynchronously.
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Q5. What is the use of static methods?
Ans. 
Static methods are used to access class-level data and perform operations that do not require an instance of the class.
• Static methods can be called without creating an instance of the class

• They are used to access class-level data and perform operations that do not require an instance of the class

• Static methods cannot access non-static instance variables or methods

• Examples include Math class methods like Math.max() and ...read more
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